Moderate; palpable while standing without bearing down.

The keyword "" likely refers to a historical medical educational film titled " Varicocele in Children " ( Варикоцеле у детей ), released in 1982 by the "Okru" (likely referring to a district or regional studio/entity, or a specific medical institute like the Institute of Human Morphology mentioned in the credits) and its comparison with modern 2026 medical standards.

Small; only felt during a Valsalva maneuver (bearing down).

Large; visible through the scrotal skin ("bag of worms").

Beyond physical exams, urologists now use Color Duplex Doppler Ultrasound to measure the Peak Retrograde Flow (PRF) . A PRF > 38 cm/s is now considered a key objective marker for potential surgical need. 2. When is Surgery Necessary? (2026 Guidelines)